· Perseval · Agent evaluation fundamentals
Logs, Traces, and Evals: What Is the Difference?
Logs record events, traces connect an execution, and evals test behavior against an explicit expectation.
Logs record events, traces connect an execution, and evals test behavior against an explicit expectation.
Agent observability connects individual executions to recurring behavior, evidence, and changes across builds.
A practical loop for turning recurring agent failures into evidence-backed eval definitions.